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Seagate ST3160211AS, ST3120811AS manual Formatted capacity, Default logical geometry, LBA mode

Models: ST3160211AS ST3120811AS ST380211AS ST3120211AS ST3160811AS ST340211AS ST380811AS

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2.2Formatted capacity

	Formatted	Guaranteed
Model	capacity*	sectors	Bytes per sector

ST3160811AS	160 Gbytes	312,581,808	512

ST3160211AS	160 Gbytes	312,581,808	512

ST3120811AS	120 Gbytes	234,441,648	512

ST3120211AS	120 Gbytes	234,441,648	512

ST380811AS	80 Gbytes	156,301,488	512

ST380211AS	80 Gbytes	156,301,488	512

ST340211AS	40 Gbytes	78,165,360	512

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

2.2.1LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48- bit addressing support of drives with capacities over 137 Gbytes.

2.3Default logical geometry

Cylinders	Read/write heads	Sectors per track

16,383	16	63

LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

10	Barracuda 7200.9 Serial ATA Product Manual, Rev. C

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Seagate ST3160211AS, ST3120811AS, ST3120211AS, ST3160811AS, ST380211AS Formatted capacity, Default logical geometry, LBA mode

Contents

Barracuda 7200.9 Serial ATA Page Contents Barracuda 7200.9 Serial ATA Product Manual, Rev. C List of Figures Page Introduction About the Serial ATA interface Drive specifications Specification summary tables Drive specifications summary for 160 Gbyte models Drive specification ST3160811AS ST3160211AS Barracuda 7200.9 Serial ATA Product Manual, Rev. C Drive specifications summary for 120 Gbyte models Drive specification ST3120811AS ST3120211AS Barracuda 7200.9 Serial ATA Product Manual, Rev. C Drive specifications summary for 80 and 40 Gbyte models Drive specification ST380811AS ST380211AS ST340211AS Barracuda 7200.9 Serial ATA Product Manual, Rev. C Default logical geometry LBA modeFormatted capacity Cylinders Read/write heads Sectors per track 16,383 Physical characteristics Recording and interface technology Start/stop times Seek timeTypical seek times msec Read Write Power specifications Conducted noise Typical current profilesVoltage tolerance Power-management modes Active modeIdle mode Sleep mode Environmental specifications Acoustics VibrationOperating vibration Nonoperating vibration Electromagnetic immunity ReliabilityRadio frequency environments Test Description Performance level Reference standard Safety certification Agency certificationElectromagnetic compatibility Korean RRL FCC verification Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS Corrosive environment Barracuda 7200.9 Serial ATA Product Manual, Rev. C Configuring and mounting the drive Handling and static-discharge precautions Configuring the drive Serial ATA cables and connectors Mounting dimensions-top, side and end view Drive mounting Barracuda 7200.9 Serial ATA Product Manual, Rev. C Serial ATA Sata interface Hot-Plug compatibility Serial ATA device plug connector pin definitions Serial ATA connector pin definitionsSignal Pin Function Definition Supported ATA commands Supported ATA commandsCommand name Command code in hex F4H Identify Device command Word Description Value Xx07H Description if bit is set to Bit Word Bit Word Set Features command Set Features command values M.A.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Barracuda 7200.9 Serial ATA Product Manual, Rev. C Seagate Technology support services InternetPresales Support Technical Support Data Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index RRL Sata Barracuda 7200.9 Serial ATA Product Manual, Rev. C Page Seagate Technology LLC